-------------------------------------------------------------------------------
-- mux2x1_rtl.vhd
-------------------------------------------------------------------------------
--
-- This file is part of SKUMLI.
-- Copyright (C) 2011 Davide Giuseppe Monaco (black.ralkass@gmail.com)
--
-- SKUMLI is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
--
-- SKUMLI is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with SKUMLI.  If not, see <http://www.gnu.org/licenses/>.
--
-------------------------------------------------------------------------------
library ieee;
use ieee.std_logic_1164.all;
-------------------------------------------------------------------------------
architecture rtl of mux2x1 is
begin -- rtl
-------------------------------------------------------------------------------
  main: process (sel, a, b)

    variable x : std_logic_vector(N - 1 downto 0);

  begin -- main

    case sel is

      when '0' =>
        x := a;

      when '1' =>
        x := b;

      when others =>
        x := (others => '1');

    end case;

    dout <= x;

  end process main;
-------------------------------------------------------------------------------
end rtl;
